RECON: TNO occultation with 00WO183

Event between 00WO183 and star GA1120:01948636 with event index number of 1993947

Geocentric closest approach at 2023/01/21 02:48:43 UTC

J2000 position of star is 06:14:56.2 +22:17:06
Equinox of date position of star is 06:16:15.8 +22:16:36
Stellar brightness G=16.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 163 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=23.8

[RECON map]
TNO is 42.6 AU from the Sun and 41.7 AU from the Earth.
The TNO is moving 22.4 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 253 seconds.
The 1-sigma cross-track error in the shadow position is 1741 km.
The sky-plane scale is 30267.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=195.9 km assuming a 5% albedo -- 8.7 sec chord
Diameter=80.0 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00WO183, (2023/01/21 02:55UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:25.2 +07:24:34  0.4 15.62 150
Alhena         06:39:02.6 +16:22:40  1.9  7.97 164
7Eta Gem       06:16:16.2 +22:29:53  4.5  0.22 162
PPM 095640     06:15:51.7 +21:46:23  8.4  0.51 162
PPM 095659     06:16:38.9 +22:17:31  9.2  0.08 163
00WO183        06:16:19.7 +22:16:35 16.1       163
Positions are for equinox of date

This table contains the target star visibility for the RECON network. The observing range has been set to a maximum of 3.6 sigma about the mid-time.
The median site spacing is 23.1 km RECON observability=1.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 02:51:14 -21.4 Dark Down 41.4 106.2 Up 02:36:14 - 03:06:14 11653
Kelowna 02:51:15 -21.9 Dark Down 42.2 106.4 Up 02:36:15 - 03:06:15 11564
Peachland 02:51:16 -21.7 Dark Down 42.1 106.0 Up 02:36:16 - 03:06:16 11560
Sleaford 02:50:38 -30.3 Dark Down 49.0 122.4 Up 02:35:38 - 03:05:38 11553
Summerland 02:51:16 -21.7 Dark Down 42.2 106.0 Up 02:36:16 - 03:06:16 11544
Penticton 02:51:16 -21.8 Dark Down 42.3 106.0 Up 02:36:16 - 03:06:16 11536
Victoria 02:51:27 -19.2 Dark Down 40.1 101.7 Up 02:36:27 - 03:06:27 11521
Oliver 02:51:17 -21.7 Dark Down 42.4 105.7 Up 02:36:17 - 03:06:17 11504
Anarchist Mountain Observatory 02:51:18 -21.9 Dark Down 42.5 105.7 Up 02:36:18 - 03:06:18 11485
Tonasket 02:51:18 -21.8 Dark Down 42.6 105.4 Up 02:36:18 - 03:06:18 11458
Okanogan 02:51:19 -21.6 Dark Down 42.6 105.0 Up 02:36:19 - 03:06:19 11430
Brewster 02:51:21 -21.5 Dark Down 42.5 104.5 Up 02:36:21 - 03:06:21 11409
Manson/Chelan 02:51:22 -21.2 Dark Down 42.3 104.0 Up 02:36:22 - 03:06:22 11398
Wenatchee 02:51:23 -21.1 Dark Down 42.3 103.5 Up 02:36:23 - 03:06:23 11357
Ellensburg 02:51:25 -20.9 Dark Down 42.3 102.9 Up 02:36:25 - 03:06:25 11324
Yakima 02:51:25 -20.8 Dark Down 42.4 102.5 Up 02:36:25 - 03:06:25 11286
Toppenish/White Swan 02:51:26 -20.9 Dark Down 42.5 102.5 Up 02:36:26 - 03:06:26 11262
Pasco 02:51:24 -21.7 Dark Down 43.4 103.5 Up 02:36:24 - 03:06:24 11226
Goldendale 02:51:29 -20.5 Dark Down 42.4 101.6 Up 02:36:29 - 03:06:29 11220
The Dalles 02:51:30 -20.2 Dark Down 42.2 101.1 Up 02:36:30 - 03:06:30 11206
PNWRO 02:51:24 -21.9 Dark Down 43.6 103.5 Up 02:36:24 - 03:06:24 11198
Maupin 02:51:31 -20.3 Dark Down 42.3 100.9 Up 02:36:31 - 03:06:31 11165
Sisters 02:51:34 -19.8 Dark Down 42.1 99.7 Up 02:36:34 - 03:06:34 11093
Redmond 02:51:33 -20.1 Dark Down 42.4 100.0 Up 02:36:33 - 03:06:33 11082
Bend 02:51:34 -19.9 Dark Down 42.4 99.7 Up 02:36:34 - 03:06:34 11064
Oregon Observatory 02:51:34 -19.8 Dark Down 42.3 99.4 Up 02:36:34 - 03:06:34 11051
La Pine/Gilchrist 02:51:35 -19.7 Dark Down 42.3 99.2 Up 02:36:35 - 03:06:35 11033
North Lake 02:51:35 -20.1 Dark Down 42.8 99.3 Up 02:36:35 - 03:06:35 10978
Chiloquin 02:51:40 -19.3 Dark Down 42.2 97.9 Up 02:36:40 - 03:06:40 10934
Paisley 02:51:36 -20.3 Dark Down 43.1 99.1 Up 02:36:36 - 03:06:36 10917
Klamath Falls 02:51:40 -19.3 Dark Down 42.3 97.7 Up 02:36:40 - 03:06:40 10900
Lakeview 02:51:37 -20.4 Dark Down 43.4 98.7 Up 02:36:37 - 03:06:37 10864
Cedarville 02:51:38 -20.4 Dark Down 43.6 98.3 Up 02:36:38 - 03:06:38 10797
Fall River/Burney 02:51:42 -19.4 Dark Down 42.7 96.9 Up 02:36:42 - 03:06:42 10777
Susanville 02:51:41 -19.9 Dark Down 43.4 96.9 Up 02:36:41 - 03:06:41 10699
Greenville 02:51:43 -19.6 Dark Down 43.2 96.4 Up 02:36:43 - 03:06:43 10678
Gimple 02:51:43 -19.7 Dark Down 43.3 96.5 Up 02:36:43 - 03:06:43 10676
Quincy 02:51:43 -19.6 Dark Down 43.2 96.2 Up 02:36:43 - 03:06:43 10658
Portola 02:51:42 -19.9 Dark Down 43.6 96.4 Up 02:36:42 - 03:06:42 10635
Reno 02:51:41 -20.3 Dark Down 44.1 96.6 Up 02:36:41 - 03:06:41 10594
Carson City 02:51:42 -20.3 Dark Down 44.2 96.3 Up 02:36:42 - 03:06:42 10558
Gardnerville 02:51:43 -20.3 Dark Down 44.2 96.1 Up 02:36:43 - 03:06:43 10533
Yerington 02:51:41 -20.8 Dark Down 44.7 96.6 Up 02:36:41 - 03:06:41 10525
Hawthorne 02:51:40 -21.1 Dark Down 45.2 96.5 Up 02:36:40 - 03:06:40 10466
Lee Vining 02:51:43 -20.6 Dark Down 44.8 95.6 Up 02:36:43 - 03:06:43 10421
Tonopah 02:51:38 -22.1 Dark Down 46.3 97.0 Up 02:36:38 - 03:06:38 10388
Dunrhomin 02:50:59 -31.5 Dark Down 54.8 109.7 Up 02:35:59 - 03:05:59 10386
Bishop 02:51:43 -21.1 Dark Down 45.5 95.5 Up 02:36:43 - 03:06:43 10344
Beatty 02:51:39 -22.3 Dark Down 46.8 96.1 Up 02:36:39 - 03:06:39 10261
Indian Springs 02:51:37 -23.1 Dark Down 47.7 96.5 Up 02:36:37 - 03:06:37 10204
CPSLO 02:51:53 -18.9 Dark Down 43.8 92.0 Up 02:36:53 - 03:06:53 10188
Henderson 02:51:35 -23.6 Dark Down 48.3 96.4 Up 02:36:35 - 03:06:35 10135
Patrick 02:51:34 -24.4 Dark Down 49.3 96.5 Up 02:36:34 - 03:06:34 10047
Laughlin/Bullhead City 02:51:37 -23.8 Dark Down 48.7 95.7 Up 02:36:37 - 03:06:37 10036
Kingman/Dolan Springs 02:51:35 -24.2 Dark Down 49.1 96.1 Up 02:36:35 - 03:06:35 10028
Wildwood 02:51:49 -20.4 Dark Down 45.5 92.1 Up 02:36:49 - 03:06:49 10016
Mohave Valley 02:51:37 -23.7 Dark Down 48.8 95.4 Up 02:36:37 - 03:06:37 10008
Lake Havasu City 02:51:37 -23.9 Dark Down 49.0 95.1 Up 02:36:37 - 03:06:37 9961
Idyllwild 02:51:45 -21.8 Dark Down 47.1 92.8 Up 02:36:45 - 03:06:45 9936
Parker 02:51:37 -23.8 Dark Down 49.1 94.7 Up 02:36:37 - 03:06:37 9924
Blythe 02:51:38 -23.5 Dark Down 48.9 93.9 Up 02:36:38 - 03:06:38 9876
Calipatria 02:51:42 -22.7 Dark Down 48.1 92.8 Up 02:36:42 - 03:06:42 9846
George/Scottsdale 02:51:30 -25.8 Dark Down 51.1 95.8 Up 02:36:30 - 03:06:30 9829
Yuma 02:51:40 -23.3 Dark Down 48.9 92.9 Up 02:36:40 - 03:06:40 9781

Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.

Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.

Star training set for 00WO183, (2023/01/21 02:55UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 15.62 150
Alhena         06:37:42.8 +16:23:57  1.9  7.97 164
7Eta Gem       06:14:52.6 +22:30:24  4.5  0.22 162
PPM 095640     06:14:28.5 +21:46:54  8.4  0.51 162
PPM 095659     06:15:15.4 +22:18:03  9.2  0.08 163
00WO183        06:14:56.2 +22:17:06 16.1       162
Positions are for J2000

Event circumstances last updated at 2021/12/18 01:57:14 UT

Marc W. Buie, Southwest Research Institute

RECON